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7.5.5

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Last updated about 2 years ago
13 questions
1
1
1
1
1
1
8
1
1
1
1
1
8
Question 12
12.

Question 13
13.

Question 1
1.

1. Write each subtraction equation as an addition equation.
a) a - 9 = 6

Question 2
2.

1. Write each subtraction equation as an addition equation.
b) p - 20 = 30

Question 3
3.

1. Write each subtraction equation as an addition equation.
c) z - (-12) = 15

Question 4
4.

1. Write each subtraction equation as an addition equation.
d) x - (-7) = -10

Question 5
5.
2. Find each difference. If you get stuck, consider drawing a number line diagram.
a) 9 - 4 = _______
b) 4 - 9 = _______
c) 9 - (-4) = _______
d) -9 - (-4) = _______
e) -9 - 4 = _______
f) 4 - (-9) = _______
g) -4 - (-9) = _______
h) -4 - 9 = _______
Question 6
6.

3. A restaurant bill is $59 and you pay $72. What percentage gratuity did you pay?

Question 7
7.

4. Find the solution to each equation mentally. (No Calculator!)
a) 30 + a = 40

Question 8
8.

4. Find the solution to each equation mentally. (No Calculator!)
b) 500 + b = 200

Question 9
9.

4. Find the solution to each equation mentally. (No Calculator!)
c) -1 + c = -2

Question 10
10.

4. Find the solution to each equation mentally. (No Calculator!)
d) d + 3,567 = 0

Question 11
11.

5. One kilogram is 2.2 pounds. Complete the tables. What is the interpretation of the constant of proportionality in each case?

Exit Ticket
1. Which other expression has the same value as (-14) - 8?
Explain your reasoning in the space provided below.
a) (-14) + 8
b) 14 - (-8)
c) 14 + (-8)
d) (-14) + (-8)
Exit Ticket
2. Which other expression has the same value as (-14) - (-8)?
Explain your reasoning in the space provided below.
a) (-14) + 8
b) 14 - (-8)
c) 14 + (-8)
d) (-14) + (-8)